Fonts

The theme determines the default font for BlackBerry
devices. Users can change the font and point size.

A list of fonts and point sizes are available on BlackBerry
devices and in the BlackBerry Smartphone Simulator. On the Home screen, click the Options icon. Click Display. Click Screen Display.

Best practice: Fonts

Inherit the font from the theme where possible. The default settings are designed to make text easy to read on each BlackBerry
device model. If you use another font or change the point size, verify that the text is readable on BlackBerry
devices.

If you use multiple fonts in an interface, use fonts that are from the same font family.

Avoid using fixed font sizes and small font sizes.

Use bold when you refer to an alias or user-defined name for an object. For example, when users delete a bookmark, the name of the bookmark appears in bold (for example, "Are you sure you want to delete World News?").

Avoid using italic and underlined text. These font styles can make text difficult to read.

Avoid anti-aliasing
small fonts. Anti-aliasing smooths the font edges, but with very small fonts anti-aliasing can make the text appear blurry.

Verify that all UI elements are clearly visible in low lighting conditions.

Consider the legibility of the text. Text becomes illegible when it appears on a background of a similar color or brightness.

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